Original paper

Gigantospora gen. nov. (Xylariaceae, Ascomycota) from decorticated twigs in the USA, a new combination for Anthostoma gigasporum

Lu, Bing-Sheng Hyde

Nova Hedwigia Band 76 Heft 1-2 (2003), p. 201 - 206

published: Feb 1, 2003

DOI: 10.1127/0029-5035/2003/0076-0201

BibTeX file

ArtNo. ESP050007601011, Price: 29.00 €

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Gigantospora gen. nov. is introduced to accommodate Anthostoma gigasporum, a species described from decorticated twigs collected in the USA. Gigantospora is characterized by immersed ascomata surrounded by stromatic tissue, clavate unitunicate asci with a short pedicel and a J+ discoid apical ring, and gigantic, black to brown, ellipsoidal ascospores, with a straight germ slit. These characters separate the taxon from Anthostoma. In Anthostomella species, ascomata are mostly hidden under a clypeus, asci have a subapical ring (not apical), and ascospores are smaller and brown.